After doing a ground balance manually raise it a little bit and should help.

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I was hunting with some friends in Northern VA, and hot rocks was all my F-75 was finding. The soil was very difficult and I had to run in all metal to find anything deeper than 3 inches. With that said, I never find hot rocks in mild soil. I would try the all metal side instead of disc. Run the threshold wide open and listen for the changes in the ground, and be sure to ground balance often. And don't trust the vdi number readouts. If it sounds good, dig it.

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Minelab partner of the year 2012, Customer service awards '12 and '13.

Hi Dirtgirl
I live in upstate ny,have a couple of spots that give me hot rock troubles.I use the setting 85 -88 sens,disc at 21 and tones +2.This boost setting works well also Sens 60,disc 39 and tones BP.thats my go to.And it goes pretty deep at that.Musket balls at 9" no problem.

I don't have a T2 but wouldn't GBing on a hot rock drive the threshold envelope so small you wouldn't be able to detect much except large and shallow targets? Better than nothing I guess. I would collect hot rocks I find and make a test garden to train my brain to understand the differences between them and good targets.

I've been using the T2se for a while now, and only occasionally dig hot rocks - but honestly have no idea how to tell a hot rock from a good target. The thing is, the T2 really isn't very good with target ID, and you may notice how target numbers change drastically once a target is brought to the surface. Skipping any repeatable target is a risky move, even if you have a "trick" to know it's a hot rock.

Proposed solution: Maybe you should try a different location?

My take on sensitivity - if you are in the woods, as relic hunters often are, cranking up the sensitivity does help in a positive way. For example, if you are swinging away and come close to a target out of your swing range, the machine will actually have a good chance of picking it up and make you move over to the good target, but if you happen to be running lower sens you run the risk of missing targets outside of your sweep range.

In trashy sites... that's a different story. There's been plenty of times where I was in a trashy area that made my T2 chatter like one of those crank-up teeth toys. Lowering the sensitivity helps in this situation.

In the woods where things are quiet... crank it up!

So basically sensitivity can be your best friend or an annoying co-worker. Depends on the situation!

I seem to think the fast grab works pretty well on the t2 se, sometimes after ive done that I'll check it out by switching to manual ground balance and it is always pretty close. Also for my settings I run 78/30/BP and I do really well worth finding silver in trashy sites.

For best results and max depth, I've found that starting with the default sensitivity of 60 then ground balancing using the fast grab. After that crank up the sensitivity to just short of where it starts to chatter.

Originally Posted by BH505ManView post
For best results and max depth, I've found that starting with the default sensitivity of 60 then ground balancing using the fast grab. After that crank up the sensitivity to just short of where it starts to chatter.

Your using a Nels or Cors coil ?

Last Activity for dirt girl was : 05-19-16 03:41 PM By now she has a Equinox if she is still metal detecting.....